题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095348-81825.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095348-28270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095348-87810.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095350-71129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095350-94110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095350-19291.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095332-51685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095332-33807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095332-66910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095332-24045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095333-20577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095333-42253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095333-97851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095333-49081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095334-65769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095332-66910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095334-90799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095325-27589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095325-19034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095325-35287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095325-85909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095326-63484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095326-15095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095326-69383.png)
已知数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095314-26218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095314-62935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095315-90898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095315-90210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095315-84100.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095315-36070.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095315-49512.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095314-26218.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095316-58753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095316-93097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095316-91371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095306-31346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095306-68947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095307-44231.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095307-84206.png)
A.![]() | B.![]() | C.![]() | D.2 |
已知
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095300-41322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095300-52635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095300-93520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-74219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-19798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-89686.png)
(1) 若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-16097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-45813.png)
(2) 若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-37711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014095301-71795.png)
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